<template>
	<!-- 我的订单 -->
	<view class="content">
		<!-- 导航栏 -->
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item"
				:class="{current: tabCurrentIndex === index}" @click="tabClick(index)">
				{{item.text}}
			</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">

					<!-- 订单列表 -->
					<view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item">
						<!-- 上栏 -->
						<view class="i-top b-b">
							<text class="number">订单号:{{item.orderNumber}}</text>
							<!-- 支付状态 -->
							<text class="state" :style="{color: item.stateTipColor}">{{item.stateTip}}</text>
						</view>
						<!-- 图片 -->

						<view class="goods-box-single"  @click="toOrderDetails(item.productInfo.id)">
							<image class="goods-img" :src=" item.productInfo.iconUrl || defauletImage" mode="aspectFill"></image>


							<view class="middle">
								<!-- 商品title -->
								<view class="title clamp">
									<text>{{item.productInfo.name}}</text>
								</view>
								<view class="illustrate">
									<text>{{item.productInfo.brief}}</text>
								</view>
							</view>
							<view class="right">
								<view class="price">
									<text>{{item.amount}}</text>
								</view>
								<text class="attr-box">共 {{item.productInfo.num}}件</text>
							</view>
						</view>
						<!-- 取消订单 支付按钮 -->
						<view class="price-box">
							<view v-if="item.payStatus===0" class="bt-box">
								<button class="bt" plain="true">取消申请单</button>
							</view>
							<view v-if="item.payStatus===0" class="bt-box">
								<button class="bt-pay" plain="true" @click="pay(item.amount,item.id)">去支付</button>
							</view>
							<view v-if="item.payStatus===1" class="bt-box">
								<button class="bt-pay" plain="true">删除申请单</button>
							</view>
							<view v-if="item.stateBtn===1" class="bt-box">

								<button class="bt-pay" plain="true">申请单撤销</button>
							</view>
						</view>

					</view>

					<uni-load-more :status="tabItem.loadingType"></uni-load-more>

				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template>

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	import empty from "@/components/empty";
	import Json from '@/Json';
import { getOrderList} from '../../api/trade';


	export default {
		components: {
			uniLoadMore,
			empty
		},
		data() {
			return {
				userId:'',//采购用户id
				defauletImage: '/static/mine/default.jpg',
				tabCurrentIndex: 0,
				isData: true,
				productId:'',
				navList: [{
						state: 0,
						text: '全部',
						loadingType: 'more',
						orderList: []

					},
					{
						state: 1,
						text: '待付款',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 2,
						text: '已完成',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 3,
						text: '已取消',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 4,
						text: '审核中',
						loadingType: 'more',
						orderList: []
					}
				],
			};
		},
		
		onLoad() {
			this.loadData();
		},

		methods: {
			// 跳转
			navTo(url){
				uni.navigateTo({
					url
				})
			},

			// 跳转订单详情
			toOrderDetails(item) {
				let id = item;
				console.log("id:",id)
				uni.navigateTo({
					url: `/pages/product/product?id=${id}`
				})
			},

			// 跳转支付
			pay(amount,id){
	
				uni.navigateTo({
					url: `/pages/money/pay?amount=${amount}&orderId=${id}`
				})
			},

			//获取订单列表
			async loadData(source) {
				if (this.isData) {
					
						
					let orderList = await getOrderList({pageSize: 99, pageNum: 1});
					this.navList.orderList = orderList.rows;
					
					let index = this.tabCurrentIndex;
					let navItem = this.navList[index];
					let state = navItem.state;

					
					
					setTimeout(() => {
						let orderList = this.navList.orderList.filter(item => {
							//添加不同状态下订单的表现形式
							item = Object.assign(item, this.orderStateExp(item.payStatus));
							//演示数据所以自己进行状态筛选
							if (state === 0) {
								//0为全部订单
								return item;
							}
							return (item.payStatus+1 === state || item.auditStatus+4===state)
						});
						orderList.forEach(item => {
							navItem.orderList.push(item);
						})
						//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
						this.$set(navItem, 'loaded', true);
					
						//判断是否还有数据， 有改为 more， 没有改为noMore 
						navItem.loadingType = 'more';
					}, 600);
				}else{
					//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let state = navItem.state;

				if (source === 'tabChange' && navItem.loaded === true) {
					//tab切换只有第一次需要加载数据
					return;
				}
				if (navItem.loadingType === 'loading') {
					//防止重复加载
					return;
				}

				navItem.loadingType = 'loading';

				setTimeout(() => {
					let orderList = Json.orderList.filter(item => {
						//添加不同状态下订单的表现形式
						item = Object.assign(item, this.orderStateExp(item.state));
						//演示数据所以自己进行状态筛选
						if (state === 0) {
							//0为全部订单
							return item;
						}
						return item.state === state
					});
					orderList.forEach(item => {
						navItem.orderList.push(item);
					})
					//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
					this.$set(navItem, 'loaded', true);

					//判断是否还有数据， 有改为 more， 没有改为noMore 
					navItem.loadingType = 'more';
				}, 600);
			}
				},
				

			//swiper 切换
			changeTab(e) {
				this.tabCurrentIndex = e.target.current;
				this.loadData('tabChange');
			},
			//顶部tab点击
			tabClick(index) {
				this.tabCurrentIndex = index;
			},
			//删除订单
			deleteOrder(index) {
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(() => {
					this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
					uni.hideLoading();
				}, 600)
			},
			//取消订单
			cancelOrder(item) {
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(() => {
					let {
						stateTip,
						stateBtn,
						stateTipColor
					} = this.orderStateExp(2);
					item = Object.assign(item, {
						state: 2,
						stateTip,
						stateTipColor
					})

					//取消订单后删除待付款中该项
					let list = this.navList[1].orderList;
					let index = list.findIndex(val => val.id === item.id);
					index !== -1 && list.splice(index, 1);

					uni.hideLoading();
				}, 600)
			},

			//订单状态文字和颜色
			orderStateExp(state) {
				let stateTip = '',
					stateBtn = '',
					stateTipColor = '#fa436a';
				switch (+state) {
					case 1:
						stateTip = '待付款';
						stateBtn = 0;
						break;
					case 4:
						stateTip = '审核中';
						stateBtn = 1;
						stateTipColor = '#3566ce';
						break;
					case 2:
						stateTip = '交易成功';
						stateBtn = 2;
						stateTipColor = '#6dba51';
						break;

						//更多自定义
				}
				return {
					stateTip,
					stateBtn,
					stateTipColor
				};
			},
		},
	}
</script>

<style lang="scss">
	page,
	.content {
		
		height: 100%;
	}

	.swiper-box {
		height: calc(100% - 40px);
	}

	.list-scroll-content {
		height: 100%;
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		
		box-shadow: 0 1px 5px rgba(0, 0, 0, .06);
		position: relative;
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: white;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}

	.order-item {
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background-color: rgba(#9E9DBA, 0.2);
		margin: 10px;

		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right: 40upx;
			font-size: $font-base;
			color: darkgray;
			position: relative;

			.number {
				flex: 1;
			}

			.state {
				color: $base-color;
			}

			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;

				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}

		/* 多条商品 */
		.goods-box {
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;

			.goods-item {
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}

			.goods-img {
				display: block;
				width: 100%;
				height: 100%;
			}
		}

		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 20upx 0;

			.goods-img {
				display: block;
				width: 250upx;
				height: 250upx;
			}

			.middle {
				width: 300upx;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;

				.title {
					height: 125upx;
					font-size: $font-base + 2upx;
					color: white;
					line-height: 1;
					white-space: normal;
				}

				.illustrate {
					font-size: $font-base;
					color: darkgray;
	

				}

			}

			.right {
				flex: 1;
				color: white;
				padding-left: 10upx;

				.price {
					height: 125upx;
					font-size: $font-base + 2upx;
					color: white;

					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}

				.attr-box {
					font-size: $font-sm + 2upx;
					color: darkgray;
					padding: 10upx 12upx;
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.bt-box {
				margin-right: 20upx;
				text-align: center;
				

				.bt {
					border-radius: 50upx;
					// width: 190upx;
					height: 70upx;
					border: darkgray 1px solid;
					color: #fff;
					font-size: 30rpx;
					line-height: 70rpx;

				}

				.bt-pay {
					border-radius: 50upx;
					width: 190upx;
					height: 70upx;
					border: #66c2ff 1px solid;
					color: #66c2ff;
					font-size: 30rpx;
					line-height: 70rpx;

				}

			}


			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}

			.price {
				font-size: $font-lg;
				color: $font-color-dark;

				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}

		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}

		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;

			&:after {
				border-radius: 100px;
			}

			&.recom {
				background: #fff9f9;
				color: $base-color;

				&:after {
					border-color: #f7bcc8;
				}
			}
		}
	}


	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}

	.uni-load-more__img>view {
		position: absolute
	}

	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}

	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}

	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}

	.load2 {
		transform: rotate(30deg)
	}

	.load3 {
		transform: rotate(60deg)
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s
	}

	.load2 view:nth-child(1) {
		animation-delay: .13s
	}

	.load3 view:nth-child(1) {
		animation-delay: .26s
	}

	.load1 view:nth-child(2) {
		animation-delay: .39s
	}

	.load2 view:nth-child(2) {
		animation-delay: .52s
	}

	.load3 view:nth-child(2) {
		animation-delay: .65s
	}

	.load1 view:nth-child(3) {
		animation-delay: .78s
	}

	.load2 view:nth-child(3) {
		animation-delay: .91s
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1
		}

		100% {
			opacity: .2
		}
	}
</style>